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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Classification & Prevalence of Dental Surface Defects in Areas of Gingival Recession- A Clinical Study
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Classification & Prevalence of Dental Surface Defects in Areas of Gingival Recession- A Clinical Study

机译：牙龈退缩区域牙齿表面缺陷的分类和患病率-临床研究

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Background:Apical migration of the gingival margin beyond the cement-enamel junction (CEJ) is called as gingival recession. Various classifications of gingival recession have been proposed to evaluate different degrees of damage to periodontal tissues, but do not consider the condition of the exposed root surface: presence of an identifiable CEJ and presence of root abrasion. Sometimes these lesions may be associated with enamel abrasion. Therefore, the aim of this paper is to propose the new classification of dental surface defects in gingival recession area.Methods:Two factors were evaluated to set up a classification system: presence (A) or absence (B) of cemento-enamel junction (CEJ) and presence (+) or absence (-) of dental surface discrepancy caused by abrasion (step). Four classes (A+, A-, B+, and B-) were identified on the basis of these variables. The classification was used on 1000 gingival recessions to examine the distribution of the four classes.Results: Out of 1000 exposed root surfaces, 380 showed an identifiable CEJ associated with step (Class A+, 38%); 280 an identifiable CEJ without any associated step (Class A-, 28%); 200 an unidentifiable CEJ with a step (Class B+, 20%); and 140 an unidentifiable CEJ without any associated step (Class B-, 14%).Conclusion: The proposed classification describes the dental surface defects that are of paramount importance in diagnosing gingival recession areas which might help in selecting the definite treatment approach.
机译：背景：牙龈边缘超出水泥-牙釉质交界处（CEJ）的典型迁移称为牙龈萎缩。已经提出了各种类型的牙龈退缩来评估对牙周组织的不同程度的损伤，但是没有考虑暴露的牙根表面的状况：存在可识别的CEJ和牙根磨损。有时这些病变可能与釉质磨蚀有关。因此，本文的目的是提出一种对牙龈退缩区域的牙齿表面缺陷进行新分类的方法。方法：评估了两个因素以建立分类系统：牙釉质-牙釉质交界处（A）或不存在（B）（ CEJ）和由磨损引起的牙齿表面差异的存在（+）（-）（步骤）。根据这些变量确定了四个类别（A +，A-，B +和B-）。该分类法用于1000个牙龈退缩，以检查这四个类别的分布。结果：在1000个暴露的根部表面中，有380个显示出与台阶相关的可识别CEJ（A +级，38％）。 280没有任何相关步骤的可识别CEJ（A级，28％）; 200个无法识别的CEJ，有一个台阶（B +级，20％）; 140;一个没有任何相关步骤（B级，14％）的无法识别的CEJ。结论：建议的分类描述了在诊断牙龈萎缩区域中至关重要的牙齿表面缺陷，这可能有助于选择确定的治疗方法。

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